#ifndef SUBKR_H
#define SUBKR_H

class SubKR:OtherKR //used to access the protected function is OtherKR
{
  public:
   static bool isCartItemValid(Cart_item item, vector<Product> products)
	{
      return OtherKR::isCartItemValid(item, products);
	}
    static bool isCartValid(Cart cart, vector<Cart_item> items)
	{
      return OtherKR::isCartValid(cart, items);
	}
    static bool isProductValid(Product prod)
	{
      return OtherKR::isProductValid(prod);
	}
};

#endif //SUBKR_H
